I'm not sure if you're interested or not ... and you may already have this. If not, here's a link to a good RCA vacuum tube manual that you may like. It's a downloadable pdf file. . It may be useful for those interested in old amateur radio stuff.
More at:
I'm not sure if you're interested or not ... and you may already have this. If not, here's a link to a good RCA vacuum tube manual that you may like. It's a downloadable pdf file. [RC30 RCA Tube Manual Circa 70s](http://www.tubebooks.org/tubedata/RC30.pdf). It may be useful for those interested in old amateur radio stuff.
More at: [www.tubebooks.org](http://www.tubebooks.org/)
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